2A5RA-BS003BBluetooth module

LEDꞏ Bluetooth control module BS003B Bluetooth module Manual 1. Overvie w : BSO03B is a dual-mode Bluetooth module that uses AB5322 as a chip processor and can integrate data transceiver and audio transmission. Module size (37mm*21mm*2mm) Bluetooth 5. 0BLE+EDR 2. Support functions: Support music playback (MP3, WAV, WMA, FLAC, APE) Support online music playback Support lighting brightness, color adjustment Support different lighting scenes Support multiple sound effects adjustment 3. Module PCB: Size: 37*21*2mm Pin spa cing: 2.54mm PIN number PIN Function Description 1 5V DC5V 3.7-5.0V 2GND 3 R Red light control output, 0-3V PWM 4 G Green light control output, 0-3V PWM 5 B Blue light control output, 0-3V PWM 6 W White light control output, 0-3V PWM 4. Module performance index Standby current: < 100uA Working current: < 1A (including audio playback) Frequency Range: 2400 MHz ~ 2483.5 MHz Sensitivity: -87dBm @ 0.1% BER Bluetooth transmit power: Class 2, -6dBm ~ + 4dBm Antenna type: Onboard antenna Antenna gain: 0.68dB Audio SNR: 85dB @ 500mVrms output Audio Distortion: < 0.05% @ 500mVrms Output Operating Temperature: -20-85 degrees Celsius LEDꞏ Bluetooth control module List of applicable FCC rules FCC Part 15.247 RF exposure considerations This module certified that complies with RF exposure requirement under 5mm RF distance. Label and compliance information FCC ID label on the final system must be labeled with “Contains FCC ID: 2A5RA-BS003B” or “Contains transmitter module FCC ID: 2A5RA-BS003B”. Information on test modes and additional testing requirements Contact ZHONGSHAN HONG ZHE ELECTRIC Co.,Ltd will provide stand-alone modular transmitter test mode. Additional testing and certification may be necessary when multiple modules are used in a host. Additional testing, Part 15 Subpart B disclaimer To ensure compliance with all non-transmitter functions the host manufacturer is responsible for ensuring compliance with the module(s) installed and fully operational. For example, if a host was previously authorized as an unintentional radiator under the Supplier’s Declaration of Conformity procedure without a transmitter certified module and a module is added, the host manufacturer is responsible for ensuring that the after the module is installed and operational the host continues to be compliant with the Part 15B unintentional radiator requirements. Since this may depend on the details of how the module is integrated with the host, ZHONGSHAN HONG ZHE ELECTRIC Co.,Ltd shall provide guidance to the host manufacturer for compliance with the Part 15B requirements. FCC Warning This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) This device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation. NOTE 1: Any changes or modifications to this unit not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment. FCC Radiation Exposure Statement: This equipment complies with FCC radiation exposure limits set forth for an uncontrolled environment. End users must follow the specific operating instructions for satisfying RF exposure compliance. Note 1: This module certified that complies with RF exposure requirement under 5mm RF distance. Note 2: Any modifications made to the module will void the Grant of Certification, this module is limited to OEM installation only and must not be sold to end-users, end-user has no manual instructions to remove or install the device, only software or operating procedure shall be placed in the end-user operating manual of final products.

Reference No.: WTH22X05090196W Page 2 of 6 Waltek Testing Group (Shenzhen) Co., Ltd. Http://www.waltek.com.cn EXHIBIT 2 - EUT EXTERNAL PHOTOGRAPHS EUT View 1 EUT View 2

Reference No.: WTH22X05090196W Page 1 of 6 Waltek Testing Group (Shenzhen) Co., Ltd. Http://www.waltek.com.cn ANNEX EXHIBIT 1 - PRODUCT LABELING Proposed FCC ID Label Format FCC ID: 2A5RA-BS003B Specifications: The label shall be securely affixed to a permanently attached part of the device, in a location where it is visible or easily accessible to the user, and shall not be readily detachable. The label shall be sufficiently durable to remain fully legible and intact on the device in all normal conditions of use throughout the device’s expected lifetime. Proposed Label Location on EUT FCC ID Label Location

Reference No.: WTH22X05090196W Page 3 of 6 Waltek Testing Group (Shenzhen) Co., Ltd. Http://www.waltek.com.cn EXHIBIT 3 - EUT INTERNAL PHOTOGRAPHS Solder Board-Component View 1 Antenna View

RF Exposure Requirements Product Description: Bluetooth module Model No.: BS003B FCC ID: 2A5RA-BS003B According to the KDB 447498 D01 v06 section 4.3.1, for 100 MHz to 6 GHz and test separation distances ≤ 50 mm, the 1-g and 10-g SAR test exclusion thresholds are determined by the following: [(max. power of channel, including tune-up tolerance, mW)/(min. test separation distance, mm)] ꞏ [√f(GHz)] ≤ 3.0 for 1-g SAR and ≤ 7.5 for 10-g extremity SAR, where - f(GHz) is the RF channel transmit frequency in GHz - Power and distance are rounded to the nearest mW and mm before calculation - The result is rounded to one decimal place for comparison Calculation Result: Tx frequency range: 2402-2480MHz Min. test separation distance: 5mm Maximum Conducted Output Power: 5.20dBm Tune-Up output power: 5.5dBm RF channel transmit frequency: 2402MHz Result: 1.1 Limit: 3.0 The exclusion thresholds is 1.1 < 3, so the transmitter complies with the RF exposure requirements and the SAR is not required.

Waltek Testing Group (Shenzhen) Co., Ltd. Http://www.waltek.com.cn Page 1 of 61 TEST REPORT Reference No. ....................: WTH22X05090196W001 FCC ID ............................... .: 2A5RA-BS003B Applicant .......................... .: ZHONGSHAN HONG ZHE ELECTRIC Co.,Ltd Address ............................ .: No. 24, Yihui Second Road, Henglan Town, Zhongshan City, Guangdong, China Manufacturer .................... .: The same as Applicant Address ............................ .: The same as Applicant Product Name .................. .: Bluetooth module Model No... ........................ .: BS003B Standards ......................... .: FCC Part 15.247 Date of Receipt sample ... .: 2022-05-10 Date of Test....................... .: 2022-05-10 to 2022-05-20 Date of Issue .................... .: 2022-05-20 Test Report Form No. ...... . : WTX_Part 15_247W Test Result ........................ .: Pass Remarks: The results shown in this test report refer only to the sample(s) tested, this test report cannot be reproduced, except in full, without prior written permission of the company. The report would be invalid without specific stamp of test institute and the signatures of approver. Prepared By: Waltek Testing Group (Shenzhen) Co., Ltd. Address: 1/F., Room 101, Building 1, Hongwei Industrial Park, Liuxian 2nd Road, Block 70 Bao'an District, Shenzhen, Guangdong, China Tel.: +86-755-33663308 Fax.: +86-755-33663309 Email: [email protected] Tested by: Approved by: Mike Shi Silin Chen Reference No.: WTH22X05090196W Waltek Testing Group (Shenzhen) Co., Ltd. Http://www.waltek.com.cn Page 2 of 61 TABLE OF CONTENTS 1. GENERAL INFORMATION ................................................................................................................................... 5 1.1 PRODUCT DESCRIPTION FOR EQUIPMENT UNDER TEST (EUT) ............................................................................... 5 1.2 TEST STANDARDS ................................................................................................................................................... 6 1.3 TEST METHODOLOGY ............................................................................................................................................. 6 1.4 TEST FACILITY ....................................................................................................................................................... 6 1.5 EUT SETUP AND TEST MODE ................................................................................................................................. 7 1.6 MEASUREMENT UNCERTAINTY .............................................................................................................................. 9 1.7 TEST EQUIPMENT LIST AND DETAILS ................................................................................................................... 10 2. SUMMARY OF TEST RESULTS ......................................................................................................................... 12 3. ANTENNA REQUIREMENT ................................................................................................................................ 13 3.1 STANDARD APPLICABLE ....................................................................................................................................... 13 3.2 EVALUATION INFORMATION ................................................................................................................................ 13 4. FREQUENCY HOPPING SYSTEM REQUIREMENTS ................................................................................... 14 4.1 STANDARD APPLICABLE ....................................................................................................................................... 14 4.2 FREQUENCY HOPPING SYSTEM............................................................................................................................. 14 4.3 EUT PSEUDORANDOM FREQUENCY HOPPING SEQUENCE .................................................................................... 15 5. QUANTITY OF HOPPING CHANNELS AND CHANNEL SEPARATION ................................................... 16 5.1 STANDARD APPLICABLE ....................................................................................................................................... 16 5.2 TEST SETUP BLOCK DIAGRAM ............................................................................................................................. 1 6 5.3 TEST PROCEDURE ................................................................................................................................................. 16 5.4 SUMMARY OF TEST RESULTS/PLOTS .................................................................................................................... 17 6. DWELL TIME OF HOPPING CHANNEL .......................................................................................................... 18 6.1 STANDARD APPLICABLE ....................................................................................................................................... 18 6.2 TEST SETUP BLOCK DIAGRAM ............................................................................................................................. 1 8 6.3 TEST PROCEDURE ................................................................................................................................................. 18 6.4 SUMMARY OF TEST RESULTS/PLOTS .................................................................................................................... 19 7. 20DB BANDWIDTH ............................................................................................................................................... 20 7.1 STANDARD APPLICABLE ....................................................................................................................................... 20 7.2 TEST SE…

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Reference No.: WTH22X05090196W Page 4 of 6 Waltek Testing Group (Shenzhen) Co., Ltd. Http://www.waltek.com.cn EXHIBIT 4 - TEST SETUP PHOTOGRAPHS Radiation Emission Test Setup (Below 30MHz) Radiation Emission Test Setup (30MHz to 1GHz) Reference No.: WTH22X05090196W Page 5 of 6 Waltek Testing Group (Shenzhen) Co., Ltd. Http://www.waltek.com.cn Radiation Emission Test Setup (1GHz to 18GHz) Radiation Emission Test Setup (Above 18GHz) Reference No.: WTH22X05090196W Page 6 of 6 Waltek Testing Group (Shenzhen) Co., Ltd. Http://www.waltek.com.cn ***** END OF REPORT *****